{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5963",
    "entityType": "User",
    "nonce": "0xa8bbf5f4588423e3729bd14d372558f072baf33d185c694af95db357b43e8113",
    "signature": "0x69b1a870500cb05293678bf5a9aa04e4d30909385e2a6772239682d5750a9a4d47d4448f9f269ef1ac2d3f795e4bd9a8c34fb0b2febf1806f9fc23127425f75f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}